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a2: 1m CSAT is having a diag bit set (4, bit 2) but the values uvwtc all look good. The CSAT manual says that bit 2 indicates "poor signal lock", which may be caused by an obstruction in one of the paths.
TRH's: see other entry about speeding up the data rate on the serial versions, stns 1,2,3,5,6,c20,m21,m22
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